STUDIES ON THE MIXED AGE POPULATION CHARACTERISTICS IN THE DEVELOPMENTAL MARKER EVENTS OF CERTAIN BIVOLTINE SILKWORM BOMBYX MORI L
INFESTATION OF UZI FLY EXORISTA SORBILLANS WIEDEMANN ON THE SILK WORM BOMBYX MORI COCON CROP IN THE DISTRICTS OF RAYALASEEMA ANDHRA PRADESH AND ITS ECONOMICAL ASPECTS